Home / 48,402,208.80-72,603,313.20-31,270,125.60

Finding the Fourth Proportional to 48,402,208.80, 72,603,313.20 and 31,270,125.60

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Solution

The fourth proportional to 48,402,208.80, 72,603,313.20 and 31,270,125.60 is: 46,905,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,402,208.80 : 72,603,313.20 = 31,270,125.60 : x
  2. Step 2: Convert to fraction form
    48,402,208.80/72,603,313.20 = 31,270,125.60/x
  3. Step 3: Cross multiply
    48,402,208.80x = 72,603,313.20 × 31,270,125.60
  4. Step 4: Simplify right side
    48,402,208.80x = 2,270,314,722,740,138
  5. Step 5: Solve for x
    x = 2,270,314,722,740,138/48,402,208.80
  6. Step 6: Final answer
    x = 46,905,188.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.